Work-holder for small presses



G. N. LINK. WORK HOLDER FO R SMALL PRESSES.

APPLICATION FILED MAY 7. 1919.

Patented Apr. 12, 1921.

2 SHEETSSHEET I.

G. N. LINK.

WORK HOLDER FOR SMALL PRESSES.

APPLICATION FILED MAY], 1919.

Patented Apr. 12, 1921.

2 SHEETSSHEET 2.

UNITED STATES PATENT OFFIQE.

GEORGE N. LINK, OF NORWOOD, OHIO, ASSIGNOR TO THE AMERICAN LAUNDRYMACHINERY COMPANY, OF NOR'WOOD, OHIO, A CCRPORA'IION OF OHIO.

WORK-HOLDER FOR SMALL PRESSES.

Application filed May 7, 1919.

To all whom it may concern:

Be it known that I, Gnonen N. LINK, a citizen of the United States,residing at Norwood, in the county of 'I-Iamilton and State of Ohio,have invented certain new and useful Improvements in ork-Holders forSmall Presses, of which the following is a specification.

This invention relates to pressing machines such as are used forpressing cuffs or other portions of wearing apparel or other articles.

The invention has particular relation to that class of presses in whichthe lower pressing member or bed is held against horizontal movement andis moved upwardly into and out of cooperating pressing rela tion with astationary upper pressing member or head. In such presses the lowerpressing member sometimes is provided with a work holding plate ortable, whichniay be padded, and which ishorizontally movable upon orwith relation to the lower pressing member, its purpose being to enablethe work holding surface to be pulled out forwardly away fromregistering relation with the pressing members, thereby to enable thework to be readily applied to or arranged upon the work holding surface.

The object of the present invention is to provide simple means forautomatically ad vancing or throwing outwardly the work holding tablewhen the press is opened or released, to thereby avoid the necessity forhand operation and saving the operators time.

A further object of the invention is to provide mechanism of the classdescribed which operates satisfactorily notwithstanding the verticalmovement of the lower pressing member, and in which the workholdingsurface, while horizontally movable automatically, as before described,nevertheless follows the vertically moving pressing member during itsvertical movement and is advanced automatically, as before stated.

Further objects of the invention are in part obvious and in part willappear more in detail hereinafter.

In the drawings, which represent one suitable embodiment of theinvention, Figure 1 is a side elevation; Fig. 2 is a front elevation ofthe upper portion of the press; and

Specification of Letters Patent.

Patented Apr. 12, 1921.

Serial No. 295,284.

Fig 3 is a sectional elevation on the line 3-3, Fig. 2, with the pressopen.

The particular form and arrangement of the pressing surfaces are ofcourse designed with reference to the particular work the press is toperform and may be varied considerably. So far as description isnecessary for the purposes of the present application the presscomprises a suitable frame 1 carrying a stationary upper pressing memberor head 2, which may be a hollow member heated by steam or from anyother suitable source of heat and having a plain lower pressing surface.Beneath said head is a vertically movable lower pressing member or bed 3carried at the upper end of a post 4 movable vertically in guides on theframe. Said bed may be heated in the same manner described in saidapplication or in any other manner, as desired. On said rod 4 is anadjustable collar 5 forming an abutment lying above a compression spring6 seated against a stationary abutment 7 on the frame and serving tocushion the blow of.

the falling press bed. Vertical movement of the bed is secured byactuation of the treadle 8 pivoted at 9 on the frame and whose verticalarm 10 is pivotally connected by a link 11 to the lower end of the rod4. Arm 10 and link 11 form a toggle the opening and closing movement ofwhich causes or permits falling or rising movement of the press bed. 12represents the release treadle pivoted at 18 on the frame and providedwith an arm 14 lying beneath the treadle 8, as is usual.

On theupper surface of the bed 3 is a work receiving member or table 15,comprising a metal plate closely fitting the work holding bed and havinga padded upper surface 15 Said work holding member conforms in shape tothe pressing surface of the head 2 and is connected to a front plate 16attached to a rod 17 having horizontal sliding motion through an opening18 in the bed 3. Said rod 17 at its front end is provided with a handle19, and at its rear end has a head 20 forming a shoulder 21 which abutsthe rear face of the bed 3 when the work holder is pulled forwardly andthereby limits its forward motion.

Head 20 is pivotally connected to the upper end of a long link 22 whichin turn is pivotally connected at its lower end by a short link 23 tothe stationary frame. In-

termediate its ends link 22 has connected thereto a tension spring 24whose opposite end is attached to a stationary part of the frame as at25.

The operation is as follows:

Fig. 3 represents the normal positions of the parts. The press is open,the pressing bed is in its lowest position, and the work table isadvanced away from registering relation with the upper pressing member.The operator lays the work on the work table and arranges the same, andthen by means of the handle 19 pushes the work table rearwardly againstthe tension of spring 2a until it registers with the pressing head.While holding the work table in thls position the treadle 8 is depressedto elevate the bed and bring the Work table and the work thereon intopressing relation with the head. As is'usual in these presses the togglemechanism moves a little beyond dead center and locks in' closedposition. Pressing relation is maintained for a sufficient length oftime and then the release treadle is depressed. This opens the press andthe bed drops. As soon as the pressure is released the spring 24 becomeseffective and through the link 22 and rod 17 advances the work tableoutwardly to its normal position shown in Fig. 3, whereupon the pressedwork can be removed and new work applied for the next operation.

The mechanism is simple and can be applied at low cost not only to newmachines but also to machines already in use.

What I claim is:

1. A pressing machine, comprising a stationary pressing head, acooperating bed vertically movable beneath the same, a work holdingtable horizontally movable on said bed, and yielding means normallyadvancing said table to its forward position.

2. A pressing machine, comprising a stationary pressing head, acooperating bed Vertically movable beneath the same, a work holdingtable movable relatively to said bed into and out of registeringrelation with said head, and yielding means normally movingsaid table tosaid latter position.

3. A pressing machine, comprising a stationary pressing head, acooperating bed vertically movable beneath the same, a work holdingtable horizontally movable on said bed, and a spring operativelyconnected to said table and tending to move the same out of pressingrelation with said head.

4. A pressing machine, comprising a stationary pressing head, acooperating bed vertically movable beneath the same, a work holdingtable horizontally movable on said bed, links connecting said table to afixed point, and a spring eifective upon one of said links and tendingto advance said work table.

In testimony whereof I aflix my signature.

GEORGE N. LINK.

